MAYDAY A radio distress call from the French
m’aidez (help me); SOS in Morse
Code.
Mooring Commonly the anchor chain, buoy,
pennant, etc., by which a boat is
permanently anchored in one location.
Motor A source of mechanical power.
Motorboat Any watercraft 65 feet or less in length
propelled by machinery, whether or
not such machinery is the principal
source of propulsion.
Navigation The art of conducting a ship from port
to port.
Nautical Mile 6076.12 feet, or 1852 meters, an
international standard; the
geographical mile, the length of one
minute of latitude at the equator, is
6087.20 feet.
Nun Buoy A conical, red buoy bearing an even
number and marking the starboard
side of a channel from seaward.
Oar A long, wooden instrument with a flat
blade at one end used for propelling a
boat.
Outboard (1) A propulsion unit for boats
attached at the transom; includes
motor, drive shaft and propeller; fuel
tank and battery may be integral or
installed separately in the boat; (2)
Outside or away from a vessel’s hull;
opposite of inboard.
Outdrive A propulsion system for boats with an
inboard motor operating an exterior
https://www.boat-manuals.com/lund/